In article/models.py "slugify" is not defined

[tasddc1226]

1. just in title how can i fix it?

2. In my case connect mysql local DB and makemigrations and migrated.
   but created tables like this.

mysql> show tables;
+----------------------------+
| Tables_in_blog             |
+----------------------------+
| auth_group                 |
| auth_group_permissions     |
| auth_permission            |
| auth_user                  |
| auth_user_groups           |
| auth_user_user_permissions |
| django_admin_log           |
| django_content_type        |
| django_migrations          |
| django_session             |
+----------------------------+
10 rows in set (0.00 sec)

(1146, "Table 'blog.article_article' doesn't exist") error I found..
why article table is not created?